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SDM630M CT
DIN Rail Energy Meter for Single and Three Phase Electrical Systems
Measures kWh Kvarh, KW, Kvar, KVA, P, F, PF,
Hz, dmd, V, A, THD,etc.
Bi-directional measurement IMP & EXP
Two pulse outputs
RS485 Modbus
Din rail mounting 35mm
1/5A CT connection
Better than Class 1 / B accuracy
ไอโอท ี . com
POWER METER
ไอโอท ี . com
USER MANUAL
2016 V4.7
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Summary of Contents for Eastron SDM630M CT
- Page 1 POWER METER ไอโอท ี . com SDM630M CT DIN Rail Energy Meter for Single and Three Phase Electrical Systems Measures kWh Kvarh, KW, Kvar, KVA, P, F, PF, Hz, dmd, V, A, THD,etc. Bi-directional measurement IMP & EXP ...
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Page 2: Power Meter
POWER METER ไอโอท ี . com Introduction This document provides operating, maintenance and installation instructions. The unit measures and displays the characteristics of single phase two wires (1p2w), three phase three wires (3p3w,) and three phase four wires (3p4w) supplies, including voltage, frequency, current, power, active and reactive energy, imported or exported. - Page 3 POWER METER ไอโอท ี . com Pulse output This provides two pulse outputs that clock up measured active and reactive energy. The constant for active energy is 3200imp/kWh (Terminals 11&12). The pulse width for pulse 1(Terminals 9&10) can be set from the set-up menu. Start Up Screens The first screen lights up all display segments and can be used as a display...
- Page 4 POWER METER ไอโอท ี . com Voltage and Current Each successive pressing of the button selects a new range: Phase to neutral voltages (3p4w) Phase to neutral voltages (3p3w) Current on each phase Phase to neutral voltage THD% (3p4w) Phase to neutral voltage THD% (3p3w) Current THD% for each phase ไอโอท...
- Page 5 POWER METER ไอโอท ี . com Frequency and Power factor and Demand Each successive pressing of the button selects a new range: Frequency and Power Factor (total) Power Factor of each phase Maximum Power Demand Maximum Current Demand ไอโอท ี . com Page 4...
- Page 6 POWER METER ไอโอท ี . com Power Each successive pressing of the button select a new range: Instantaneous Active Power in kW Instantaneous Reactive Power in kVAR Instantaneous Volt-amps in KVA Total kW, kVARh, kVA ไอโอท ี . com Page 5...
- Page 7 POWER METER ไอโอท ี . com Energy Measurements Each successive pressing of the button selects a new range: Imported active energy in kWh Exported active energy in kWh Imported reactive energy in kVARh Exported reactive energy in kVARh Total active energy in kWh Total reactive energy in kVARh ไอโอท...
- Page 8 POWER METER ไอโอท ี . com Setting Up To enter set-up mode, pressing the button for 3 seconds, until the password screen appears. Setting up is password-protected so you must enter the correct password (default ‘1000’) before processing. If an incorrect password is entered, the display will show: PASS Err To exit setting-up mode, press repeatedly until the measurement screen is restored.
- Page 9 POWER METER ไอโอท ี . com Number Entry Procedure When setting up the unit, some screens require the entering of a number. In particular, on entry to the setting up section, a password must be entered. Digits are set individually, from left to right.
- Page 10 POWER METER ไอโอท ี . com DIT Demand Integration Time This sets the period in minutes over which the current and power readings are integrated for maximum demand measurement. The options are: off, 5, 8, 10, 15, 20, 30, 60 minutes From the set-up menu, use buttons to select DIT option.
- Page 11 POWER METER ไอโอท ี . com Supply System Use this section to set the type of power supply being monitored. From the Set-up menu, use buttons to select the System option. The screen will show the currently selected power supply. Press to enter the selection routine.
- Page 12 POWER METER ไอโอท ี . com The CT option sets the secondary current (CT2 1A or 5A) of the current transformer (CT) that wires to the meter. From the Set-up menu, use buttons to select the CT option. Secondary CT setting Press enter secondary...
- Page 13 POWER METER ไอโอท ี . com Pulse output This option allows you to configure the pulse output. The output can be set to provide a pulse for a defined amount of energy active or reactive. Use this section to set up the pulse output 1—Units: Total kWh, Total kVARh From the Set-up menu, use buttons to select the Pulse output option.
- Page 14 POWER METER ไอโอท ี . com Pulse rate Use this to set the energy represented by each pulse. Rate can be set to 1 pulse per 0.01kWh/0.1kWh/1kWh/10kWh/100/1000kWh. (It shows 1 impulse = 10kWh/kVArh) From the Set-up menu, use buttons to select the Pulse Rate option. Press to enter the selection routine.
- Page 15 POWER METER ไอโอท ี . com Pulse Duration The energy monitored can be active or reactive and the pulse width can be 200, 100 or 60ms. (It shows pulse width of 200ms) From the Set-up menu, use buttons to select the Pulse width option.
- Page 16 POWER METER ไอโอท ี . com RS485 Address (The range is from 001 to 247) From the Set-up menu, use buttons to select the Address ID Press button to enter the selection routine. The current setting will be flashing. buttons to choose Modbus Address(001 to 247) On completion of the entry procedure, press button to confirm the setting and press...
- Page 17 POWER METER ไอโอท ี . com Baud Rate From the Set-up menu, use buttons to select the Baud Rate option. Press to enter the selection routine. The current setting will flash. buttons choose Baud rate 2.4k. 4.8k, 9.6k, 19.2k, 38.4k On completion of the entry procedure, press to confirm the setting and press to return to the main set up menu.
- Page 18 POWER METER ไอโอท ี . com Stop bits From the Set-up menu, use buttons to select the Stop Bit option. Press to enter the selection routine. The current setting will flash. buttons to choose Stop Bit (2 or 1) On completion of the entry procedure, press to confirm the setting and press to return to the main set up menu.
- Page 19 POWER METER ไอโอท ี . com The meter provides a function to reset the maximum demand value of current and power. From the Set-up menu, use buttons to select the reset option. Press to enter the selection routine. The MD will flash. Press to confirm the setting and press to return to the main set up menu.
- Page 20 POWER METER ไอโอท ี . com How to operate if phase A is reversely connected Go to phase A setting page Press to enter the selection routine. The Frd will flash. button to change Frd to Rev. Press to confirm the setting and press to return to the main set up menu.
- Page 21 POWER METER ไอโอท ี . com Energy Measurements Imported/Exported active energy 0 to 9999999.9 kWh Imported/Exported reactive energy 0 to 9999999.9 kVARh Total active energy 0 to 9999999.9 kWh Total reactive energy 0 to 9999999.9 kVARh Measured Inputs Voltage inputs through 4-way fixed connector with 2.5mm²...
- Page 22 POWER METER ไอโอท ี . com Pulse Output The unit provides two pulse outputs. Both pulse outputs are passive type. Pulse output 1 is configurable. The pulse output can be set to generate pulses to represent total kWh or kVARh. The pulse constant can be set to generate 1 pulse per: 0.01 = 10 Wh/VARh 0.1 = 100 Wh/VARh...
- Page 23 POWER METER ไอโอท ี . com Environment Operating temperature -25°C to +55°C* Storage temperature -40°C to +70°C* Relative humidity 0 to 90%, non-condensing Altitude Up to 2000m Warm up time 1 minute Vibration 10Hz to 50Hz, IEC 60068-2-6, 2g ...
- Page 24 POWER METER ไอโอท ี . com Installation ไอโอท ี . com Page 23...